Question

An element ha 18 protons in its nucleus. Find its position in modern periodic table.​

Answer 1

Answer:

p block or 18 group 3rd period

Answer 2

The element must be Argon.

• The number of protons in the nucleus of an atom represents its atomic number which can be denoted by Z.
• Therefore we need to find the position of the element with atomic number 18.
• Argon belongs to the group of noble gases, belongs to the p- block and is in the 18th group of the periodic table. It belongs to period 3 of the periodic table.